NEBS

GR-3160-CORE, NEBS Requirements for Telecommunications Data Center Equipment and Spaces, is sometimes described as ‘NEBS Lite.’ It includes important reliability and safety requirements, without the full set of hurdles found in the NEBS telecom standards, like GR-1089-CORE and GR-63-CORE. But what exactly are the differences for equipment evaluation? Following is a basic overview. The test... Read More

The electromagnetic compatibility (EMC) requirements for telecom and military equipment are considered among the most difficult to meet for any industry. Not many electronics manufacturers conduct testing for both requirements, but it happens occasionally. For those who do, it’s an advantage to pursue both at the same time, as there is some overlap. Following is... Read More

When the power goes out, more often than not, the landline phone still works. And often the cell phone too. This is no accident. The NEBS (Network Equipment Building System) family of standards is designed to keep the network running no matter what, and they are more comprehensive and more difficult to comply with than... Read More

Now that Verizon has accepted GR-1089-CORE Issue 6 with exceptions, MET Labs’ Electromagnetic Compatibility (EMC) Department has issued a guidance document that details the variances from Issue 5. See highlights, following. (Want a handy cheat sheet that details what can and cannot be grandfathered from Issue 5? Contact MET and ask for the “Issue 6... Read More

Last week, MET Labs hosted a joint meeting of the Central Texas Chapter of the IEEE EMC Society and the Central Texas Chapter of the IEEE Product Safety Engineering Society. The feature presentation – “Ten Things You Must Know about NEBS” – was a topic of interest to both groups. The Network Equipment Building System (NEBS)... Read More

Last month, Verizon revised its Technical Purchasing Requirement VZ.TPR.9203 to include testing requirements by location for wireless Network Equipment Building System (NEBS) equipment. Issue 5 replaces Issue 4, which dated from March, 2009. Wireless equipment is a small, but growing, portion of the overall NEBS market. VZ.TPR.9203 Issue 5 includes a new “Table 2,” which details... Read More

Telcordia Technologies has released the Issue 6 update to GR-1089-CORE, Electromagnetic Compatibility (EMC) and Electrical Safety – Generic Criteria for Network Telecommunications Equipment. Issue 6 replaces Issue 5, which dated from August 2009. Here is a sneak peak at some of the key updates in the Network Equipment Building System (NEBS) document: Section 3, “Electromagnetic... Read More

NEBS Guru Chuck Graff dropped a bombshell today, the first day of the 16th annual Verizon NEBS Conference in Scottsdale, AZ. He announced his retirement. All the other presentations about the broadband and wireless network, smart grid, ATT’s overview, energy efficiency, and even the presentation on evaluating product change paled in comparison. Chuck’s official title... Read More

About Eurofins | MET Labs

MET Laboratories, Inc was established in 1959 and has become a global service leader for product approvals and regulatory certification of electrical products in Baltimore, MD. In 1989, MET broke the UL monopoly for product safety testing and certification in the United States and is approved to certify products in over 200 UL standard categories. MET Labs is a service leader and trusted provider of product testing and regulatory certification of electrical products for leading brands and companies in the United States, Europe and worldwide. In 2018, MET joined the Eurofins Scientific network and has become a key component in Eurofins’ product testing portfolio.

About the MET Mark

The MET Mark for product safety is accepted throughout the United States & Canada and indicates compliance to federal regulations for safe use in the workplace. 30 years ago, MET became the first OSHA-recognized NRTL (Nationally Recognized Testing Laboratory) in the United States. The NRTL mark is required under federal law for products used in workplaces in all 50 states. MET listed products are also sold in every major retail stores throughout the United States and Canada.